test/tools/llvm-readobj/ELF/addrsig.test

## Show that llvm-readobj can dump SHT_LLVM_ADDRSIG sections.

# RUN: yaml2obj --docnum=1 %s -o %t1.o
# RUN: llvm-readobj --addrsig %t1.o | FileCheck -DFILE=%t1.o %s --check-prefix=LLVM
# RUN: llvm-readelf --addrsig %t1.o | \
# RUN:   FileCheck -DFILE=%t1.o %s --strict-whitespace --match-full-lines --check-prefix=GNU

# LLVM:      Addrsig [
# LLVM-NEXT:   Sym: foo (1)
# LLVM-NEXT:   Sym: bar (2)
# LLVM-NEXT: ]

#       GNU:Address-significant symbols section '.llvm_addrsig' contains 2 entries:
#  GNU-NEXT:   Num: Name
#  GNU-NEXT:     1: foo
#  GNU-NEXT:     2: bar
# GNU-EMPTY:
#   GNU-NOT:{{.}}

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_DYN
Sections:
  - Name:    .llvm_addrsig
    ShName:  [[NAME=<none>]]
    Type:    SHT_LLVM_ADDRSIG
    Symbols: [ foo, bar ]
Symbols:
  - Name: foo
  - Name: bar

## Check what we print when it is impossible to read the name of the SHT_LLVM_ADDRSIG section.
## llvm-readelf reports a warning in this case.

# RUN: yaml2obj --docnum=1 -DNAME=0xff %s -o %t1.name.o
# RUN: llvm-readobj --addrsig %t1.name.o 2>&1 | \
# RUN:   FileCheck -DFILE=%t1.name.o %s --check-prefix=LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --addrsig %t1.name.o 2>&1 | \
# RUN:   FileCheck -DFILE=%t1.name.o %s --check-prefix=NAME-GNU --implicit-check-not=warning:

# NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_LLVM_ADDRSIG section with index 1: a section [index 1] has an invalid sh_name (0xff) offset which goes past the end of the section name string table
# NAME-GNU:      Address-significant symbols section '<?>' contains 2 entries:
# NAME-GNU-NEXT:    Num: Name
# NAME-GNU-NEXT:      1: foo
# NAME-GNU-NEXT:      2: bar

## Check that llvm-readobj dumps any SHT_LLVM_ADDRSIG section when --all
## is specified for LLVM style, but not for GNU style.

# RUN: llvm-readobj --all %t1.o | FileCheck %s --check-prefix=LLVM
# RUN: llvm-readelf --all %t1.o | FileCheck %s --implicit-check-not="Address-significant"

## Check we report a warning when the content of the SHT_LLVM_ADDRSIG section
## is broken (e.g. contains a malformed uleb128).

# RUN: yaml2obj --docnum=2 %s -o %t2.1.o
# RUN: llvm-readobj --addrsig %t2.1.o 2>&1 | FileCheck %s -DFILE=%t2.1.o --check-prefix=MALFORMED-LLVM
# RUN: llvm-readelf --addrsig %t2.1.o 2>&1 | FileCheck %s -DFILE=%t2.1.o --check-prefix=MALFORMED-GNU

# MALFORMED-LLVM:      Addrsig [
# MALFORMED-LLVM-NEXT: warning: '[[FILE]]': unable to decode SHT_LLVM_ADDRSIG section with index 1: malformed uleb128, extends past end
# MALFORMED-LLVM-NEXT: ]

# MALFORMED-GNU:    warning: '[[FILE]]': unable to decode SHT_LLVM_ADDRSIG section with index 1: malformed uleb128, extends past end
# MALFORMED-GNU-NOT:{{.}}

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_DYN
Sections:
  - Name:     .llvm_addrsig
    Type:     SHT_LLVM_ADDRSIG
    Content:  "FF"
    ShOffset: [[OFFSET=<none>]]

## Check we report a warning when the content of the SHT_LLVM_ADDRSIG section can't be read.

# RUN: yaml2obj --docnum=2 -DOFFSET=0xffffffff %s -o %t2.2.o
# RUN: llvm-readobj --addrsig %t2.2.o 2>&1 | FileCheck %s -DFILE=%t2.2.o --check-prefix=BROKEN-SEC-LLVM
# RUN: llvm-readelf --addrsig %t2.2.o 2>&1 | FileCheck %s -DFILE=%t2.2.o --check-prefix=BROKEN-SEC-GNU

# BROKEN-SEC-LLVM:      Addrsig [
# BROKEN-SEC-LLVM-NEXT: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1) that is greater than the file size (0x168)
# BROKEN-SEC-LLVM-NEXT: ]

# BROKEN-SEC-GNU:    warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1) that is greater than the file size (0x168)
# BROKEN-SEC-GNU-NOT:{{.}}

## Check we report a warning when SHT_LLVM_ADDRSIG references a symbol that can't be
## dumped (e.g. the index value is larger than the number of symbols in .symtab).

# RUN: yaml2obj --docnum=3 %s -o %t3.o
# RUN: llvm-readobj --addrsig %t3.o 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=INVALID-INDEX-LLVM
# RUN: llvm-readelf --addrsig %t3.o 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=INVALID-INDEX-GNU

# INVALID-INDEX-LLVM:      Addrsig [
# INVALID-INDEX-LLVM-NEXT:   Sym: foo (1)
# INVALID-INDEX-LLVM-NEXT:   warning: '[[FILE]]': unable to read the name of symbol with index 255: unable to get symbol from section [index 2]: invalid symbol index (255)
# INVALID-INDEX-LLVM-NEXT:   Sym: <?> (255)
# INVALID-INDEX-LLVM-NEXT:   Sym: bar (2)
# INVALID-INDEX-LLVM-NEXT: ]

# INVALID-INDEX-GNU:      Address-significant symbols section '.llvm_addrsig' contains 3 entries:
# INVALID-INDEX-GNU-NEXT:    Num: Name
# INVALID-INDEX-GNU-NEXT:      1: foo
# INVALID-INDEX-GNU-NEXT: warning: '[[FILE]]': unable to read the name of symbol with index 255: unable to get symbol from section [index 2]: invalid symbol index (255)
# INVALID-INDEX-GNU-NEXT:      2: <?>
# INVALID-INDEX-GNU-NEXT:      3: bar

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_DYN
Sections:
  - Name: .llvm_addrsig
    Type: SHT_LLVM_ADDRSIG
    Symbols: [ 1, 255, 2 ]
Symbols:
  - Name: foo
  - Name: bar